A198339 - cp's OEIS frontend

A198339 Irregular triangle read by rows: row n is the sequence of Matula numbers of the subtrees of the rooted tree with Matula-Goebel number n.

n	a(n)
1	1
2	1
3	1
4	2
5	1
6	1
7	1
8	2
9	2
10	3
11	1
12	1
13	1
14	2
15	2
16	4
17	1
18	1
19	1
20	1
21	2
22	2
23	2
24	3
25	3
26	5
27	1
28	1
29	1
30	1
31	2
32	2
33	2
34	3
35	4
36	6
37	1
38	1
39	1
40	1
41	2
42	2
43	2
44	3
45	3
46	4
47	7
48	1
49	1
50	1
51	1
52	2
53	2
54	2
55	4
56	4
57	4
58	8
59	1
60	1
61	1
62	1
63	1
64	2
65	2
66	2
67	2
68	3
69	3
70	4
71	6
72	6
73	9
74	1
75	1
76	1
77	1
78	1
79	2
80	2
81	2
82	2
83	3
84	3
85	4
86	5
87	6
88	10

[1, 1, 1, 2, 1, 1, 1, 2, 2, 3, 1, 1, 1, 2, 2, 4, 1, 1, 1, 1, 2, 2, 2, 3, 3, 5, 1, 1, 1, 1, 2, 2, 2, 3, 4, 6, 1, 1, 1, 1, 2, 2, 2, 3, 3, 4, 7, 1, 1, 1, 1, 2, 2, 2, 4, 4, 4, 8, 1, 1, 1, 1, 1, 2, 2, 2, 2, 3, 3, 4, 6, 6, 9, 1, 1, 1, 1, 1, 2, 2, 2, 2, 3, 3, 4, 5, 6, 10]

cp's OEIS Frontend

A198339 Irregular triangle read by rows: row n is the sequence of Matula numbers of the subtrees of the rooted tree with Matula-Goebel number n.

Table of values

List of values

n	a(n)
1	1
2	1
3	1
4	2
5	1
6	1
7	1
8	2
9	2
10	3
11	1
12	1
13	1
14	2
15	2
16	4
17	1
18	1
19	1
20	1
21	2
22	2
23	2
24	3
25	3
26	5
27	1
28	1
29	1
30	1
31	2
32	2
33	2
34	3
35	4
36	6
37	1
38	1
39	1
40	1
41	2
42	2
43	2
44	3
45	3
46	4
47	7
48	1
49	1
50	1
51	1
52	2
53	2
54	2
55	4
56	4
57	4
58	8
59	1
60	1
61	1
62	1
63	1
64	2
65	2
66	2
67	2
68	3
69	3
70	4
71	6
72	6
73	9
74	1
75	1
76	1
77	1
78	1
79	2
80	2
81	2
82	2
83	3
84	3
85	4
86	5
87	6
88	10

n	a(n)
1	1
2	1
3	1
4	2
5	1
6	1
7	1
8	2
9	2
10	3
11	1
12	1
13	1
14	2
15	2
16	4
17	1
18	1
19	1
20	1
21	2
22	2
23	2
24	3
25	3
26	5
27	1
28	1
29	1
30	1
31	2
32	2
33	2
34	3
35	4
36	6
37	1
38	1
39	1
40	1
41	2
42	2
43	2
44	3
45	3
46	4
47	7
48	1
49	1
50	1
51	1
52	2
53	2
54	2
55	4
56	4
57	4
58	8
59	1
60	1
61	1
62	1
63	1
64	2
65	2
66	2
67	2
68	3
69	3
70	4
71	6
72	6
73	9
74	1
75	1
76	1
77	1
78	1
79	2
80	2
81	2
82	2
83	3
84	3
85	4
86	5
87	6
88	10

n	a(n)
1	1
2	1
3	1
4	2
5	1
6	1
7	1
8	2
9	2
10	3
11	1
12	1
13	1
14	2
15	2
16	4
17	1
18	1
19	1
20	1
21	2
22	2
23	2
24	3
25	3
26	5
27	1
28	1
29	1
30	1
31	2
32	2
33	2
34	3
35	4
36	6
37	1
38	1
39	1
40	1
41	2
42	2
43	2
44	3
45	3
46	4
47	7
48	1
49	1
50	1
51	1
52	2
53	2
54	2
55	4
56	4
57	4
58	8
59	1
60	1
61	1
62	1
63	1
64	2
65	2
66	2
67	2
68	3
69	3
70	4
71	6
72	6
73	9
74	1
75	1
76	1
77	1
78	1
79	2
80	2
81	2
82	2
83	3
84	3
85	4
86	5
87	6
88	10